Which of the following would result in being able to dissolve a greater amount of gas in a solution? ​

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

When balancing a chemical equation:

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.